Waves transmit ________________ from one place to another?

A. Energy
B. Mass
C. Both
D. None

The distance between any two consecutive crests or troughs is called____________________?

A. Frequency
B. Period
C. Wave length
D. Phase difference

Momentum depends upon__________________?

A. Force acts on the body
B. Mass of the body
C. Velocity of the body
D. Both mass and velocity of the body

When a body moves in a straight line then its displacement coincides with__________________?

A. Distance
B. Force
C. Acceleration is zero
D. Both a and b

Motorcycle safety helmet extends the time of collision hence decreasing the________________?

A. Chance of collision
B. Force acting
C. Velocity
D. Impulse

During long jump, athlete runs before taking the jump. By doing so he__________________?

A. Provide him a larger inertia
B. Decreases his inertia
C. Decreases his momentum
D. Increases his momentum

When collision between the bodies in a system is inelastic in nature then for system ____________________?

A. Momentum changes but k.e remain conserve
B. K.e changes but momentum remain conserve
C. Both momentum and k.e changes
D. Both momentum and k.e remain conserve

The acceleration in the rocket at any instant is proportional to the nth power of the velocity of the expelled gases. Where the value of n must be ?

A. -1
B. 1
C. 2
D. -2

Which of the following is not an example of projectile motion ?

A. A gas filled ballon
B. Bullet fired from gun
C. A football kicked
D. A base ball shot

Time rate of change of momentum is equal to____________________?

A. Force
B. Impulse
C. Velocity
D. Both a and c